What is the future development trend of CNC precision machining?

What is precision machinery? What kind of processing is CNC precision machining mainly used for, and what are the requirements for materials? The machining accuracy is more accurate than that of ordinary machinery. Machinery that reaches and exceeds 0.1 microns belongs to precision machinery. Usually, precision machining is realized by using precision machine tools, precision measuring tools and measuring instruments under strictly controlled environmental conditions. It can be used for precision joints in hydraulic and good motion servo mechanisms in the aerospace industry, gyroscope frames, housings, air flotation, liquid flotation bearing assemblies and floats, etc. The materials for precision machining are divided into two categories, metal materials and non-metal materials.

What are the requirements for materials in precision machining? Not all materials are suitable for machining with precision parts. For metal materials, the order of hardness is stainless steel, cast iron, copper, and aluminum. The processing of ceramics and plastics belongs to the processing of non-metallic materials. Limited to the hardness requirements of processing parts, in some places, the higher the hardness value of the material, the better, but the processed material should not be too hard, otherwise it cannot be processed. Therefore, it is necessary to select materials reasonably for the parts according to the advantages of the processed parts. In ordinary places, the material is moderately soft and hard, which is relatively suitable.

Before carrying out CNC precision machining, be sure to pay attention to the density (hardness) of the selected material. If the hardness exceeds the hardness of the machine parts (lathe turning tools), it will not only be impossible to process, but may also damage the parts Or cause danger, for example, there have been incidents in the past, such as the accident of the knife flying out and hurting people. Therefore, for mechanical processing, the material material must be lower than the hardness of the machine tool, so that it can be processed.

Precision machining mainly includes fine turning, fine boring, fine milling, fine grinding and grinding. The results that appear: the boundary or characteristic size of the parts is below microns; the accuracy of several patterns and mutual positions reaches the level of microns or arcseconds; the surface microscopic dissatisfaction is less than 0.1 microns; the mutual parts can meet the requirements and accuracy of the joint force. mechanical or other physical property requirements.

What is the development trend of CNC precision machining plants in the future? 'Single type, large quantity' has become a new feature of the manufacturing method of many Fortune 500 companies. A consumer-led shift in custom manufacturing methods. The personalization of Fu Wu has become an important element in the success or failure of the competition.

1. The method of globalization of machinery manufacturing industry has undergone new changes

There are two traditional methods of globalization: one, the home country is the manufacturing base, and the products are exported to other countries; The second is to invest and establish manufacturing bases abroad, manufacture products abroad, and sell them to host countries or other countries. Its characteristics are: I own the manufacturing facilities and technology, and the products are completely manufactured by myself; the use of resources is limited to the use of raw materials, personnel or funds of the host country. With the innovation of information technology, the basic change of management mind and technology, the corporate structure has also changed, and these changes have occurred in multinational companies and will develop as a new globalization method. The main feature of this change is: extensive use of other countries' manufacturing facilities and technical strength. In an environment where I do not own the manufacturing facilities and manufacturing technology, I can manufacture the final product and sell it around the world.

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